{"product_id":"1pcs-new-for-hengda-electric-actuator-sm-10r-5s-ac220v","title":"Hengda SM-10R Electric Actuator 5S AC220V - 1PC","description":"\u003cstyle\u003e\n  \/* Koeed Namespace CSS - Strictly isolated for Shopify integration *\/\n  .koeed-container {\n    width: 100%;\n    font-family: inherit;\n    line-height: 1.6;\n    color: #333333;\n  }\n  .koeed-heading {\n    color: #16c8c8;\n    font-size: 1.5rem;\n    font-weight: bold;\n    margin-top: 2rem;\n    margin-bottom: 1rem;\n    border-bottom: 2px solid #16c8c8;\n    padding-bottom: 0.5rem;\n  }\n  .koeed-subheading {\n    color: #16c8c8;\n    font-size: 1.25rem;\n    font-weight: 600;\n    margin-top: 1.5rem;\n    margin-bottom: 0.75rem;\n  }\n  .koeed-brief-list {\n    list-style-type: disc;\n    padding-left: 1.5rem;\n    margin-bottom: 1.5rem;\n  }\n  .koeed-brief-list li {\n    margin-bottom: 0.5rem;\n  }\n  .koeed-table-wrapper {\n    overflow-x: auto;\n    width: 100%;\n    margin-bottom: 1.5rem;\n  }\n  .koeed-tech-table {\n    width: 100%;\n    border-collapse: collapse;\n    text-align: left;\n    font-size: 0.95rem;\n  }\n  .koeed-tech-table th, .koeed-tech-table td {\n    border: 1px solid #eeeeee;\n    padding: 12px 15px;\n  }\n  .koeed-tech-table th {\n    background-color: #16c8c8;\n    color: #ffffff;\n    font-weight: 600;\n  }\n  .koeed-tech-table tr:nth-child(even) {\n    background-color: #f4fcfc;\n  }\n  .koeed-tech-table tr:nth-child(odd) {\n    background-color: #fafafa;\n  }\n  .koeed-faq-item {\n    margin-bottom: 1.25rem;\n  }\n  .koeed-faq-question {\n    font-weight: bold;\n    color: #333333;\n    margin-bottom: 0.25rem;\n  }\n  .koeed-faq-answer {\n    color: #555555;\n  }\n  .koeed-alert {\n    background-color: #f4fcfc;\n    border-left: 4px solid #16c8c8;\n    padding: 1rem;\n    margin: 1rem 0;\n    font-size: 0.95rem;\n  }\n  .koeed-warning {\n    background-color: #fff4e5;\n    border-left: 4px solid #ff9800;\n    padding: 1rem;\n    margin: 1rem 0;\n    font-size: 0.95rem;\n    color: #663c00;\n  }\n\u003c\/style\u003e\n\n\u003cdiv class=\"koeed-container\"\u003e\n\n  \u003c!-- 1. Engineer's Quick Brief --\u003e\n  \u003ch2 class=\"koeed-heading\"\u003eAt a Glance: Engineer's Quick Brief\u003c\/h2\u003e\n  \u003cul class=\"koeed-brief-list\"\u003e\n    \u003cli\u003e\n\u003cstrong\u003eFast-Acting 5-Second Stroke:\u003c\/strong\u003e Engineered for rapid response, completing a full 90-degree mechanical stroke in just \u003cstrong\u003e5 seconds\u003c\/strong\u003e, making it ideal for emergency isolation valves or fast-acting air dampers.\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eDirect AC Mains Power:\u003c\/strong\u003e Operates on standard industrial \u003cstrong\u003e220V AC\u003c\/strong\u003e, eliminating the need for step-down control transformers and simplifying integration into existing relay logic panels.\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003ePrimary Application Focus:\u003c\/strong\u003e A highly reliable MRO replacement component for \u003cstrong\u003eindustrial HVAC duct dampers, dust collection blast gates, and fast-acting fluid control valves\u003c\/strong\u003e requiring robust mechanical torque.\u003c\/li\u003e\n  \u003c\/ul\u003e\n\n  \u003c!-- 2. SEO Introduction --\u003e\n  \u003ch2 class=\"koeed-heading\"\u003eProduct Overview\u003c\/h2\u003e\n  \u003cp\u003eThe \u003cstrong\u003eHengda SM-10R Electric Actuator (5S, AC220V)\u003c\/strong\u003e is a rugged, industrial-grade rotary actuator designed for precise and rapid flow control. Unlike standard HVAC actuators that may take 60 to 120 seconds to fully open or close, this \u003cstrong\u003e5-second fast-acting\u003c\/strong\u003e variant is specifically manufactured for processes that demand immediate mechanical response to logic signals. Utilizing a robust AC motor paired with a heavy-duty geartrain, the SM-10R ensures reliable positioning of damper blades or ball valves. It features highly adjustable internal limit switch cams, allowing field engineers to set exact mechanical stopping points, preventing gear stripping and ensuring a tight physical seal.\u003c\/p\u003e\n\n  \u003c!-- 3. Technical Specifications --\u003e\n  \u003ch2 class=\"koeed-heading\"\u003eTechnical Specifications \u0026amp; Engineering Data\u003c\/h2\u003e\n  \n  \u003cdiv class=\"koeed-warning\"\u003e\n    \u003cstrong\u003eWiring Safety Note:\u003c\/strong\u003e This actuator operates on lethal 220V AC mains voltage. It typically utilizes a 3-wire control scheme (Common, Open, Close). \u003cstrong\u003eNever\u003c\/strong\u003e apply power to the \"Open\" and \"Close\" terminals simultaneously, as this will induce a direct short circuit and instantly destroy the internal motor windings.\n  \u003c\/div\u003e\n\n  \u003cdiv class=\"koeed-table-wrapper\"\u003e\n    \u003ctable class=\"koeed-tech-table\"\u003e\n      \u003cthead\u003e\n        \u003ctr\u003e\n          \u003cth\u003eSpecification Parameter\u003c\/th\u003e\n          \u003cth\u003eRating \/ Description\u003c\/th\u003e\n        \u003c\/tr\u003e\n      \u003c\/thead\u003e\n      \u003ctbody\u003e\n        \u003ctr\u003e\n          \u003ctd\u003e\u003cstrong\u003eBrand \/ Manufacturer\u003c\/strong\u003e\u003c\/td\u003e\n          \u003ctd\u003eHengda\u003c\/td\u003e\n        \u003c\/tr\u003e\n        \u003ctr\u003e\n          \u003ctd\u003e\u003cstrong\u003eModel Series\u003c\/strong\u003e\u003c\/td\u003e\n          \u003ctd\u003eSM-10R\u003c\/td\u003e\n        \u003c\/tr\u003e\n        \u003ctr\u003e\n          \u003ctd\u003e\u003cstrong\u003eSupply Voltage\u003c\/strong\u003e\u003c\/td\u003e\n          \u003ctd\u003e\n\u003cstrong\u003e220V AC\u003c\/strong\u003e (50\/60 Hz)\u003c\/td\u003e\n        \u003c\/tr\u003e\n        \u003ctr\u003e\n          \u003ctd\u003e\u003cstrong\u003eActuation \/ Stroke Time\u003c\/strong\u003e\u003c\/td\u003e\n          \u003ctd\u003e\n\u003cstrong\u003e5 Seconds\u003c\/strong\u003e (Fast-Acting for full 90° travel)\u003c\/td\u003e\n        \u003c\/tr\u003e\n        \u003ctr\u003e\n          \u003ctd\u003e\u003cstrong\u003eControl Signal Type\u003c\/strong\u003e\u003c\/td\u003e\n          \u003ctd\u003eON\/OFF (3-Point floating\/Drive Open, Drive Closed)\u003c\/td\u003e\n        \u003c\/tr\u003e\n        \u003ctr\u003e\n          \u003ctd\u003e\u003cstrong\u003eNominal Torque\u003c\/strong\u003e\u003c\/td\u003e\n          \u003ctd\u003e~ 10 Nm (Standard for SM-10 series; \u003cem\u003eVerify physical nameplate\u003c\/em\u003e)\u003c\/td\u003e\n        \u003c\/tr\u003e\n        \u003ctr\u003e\n          \u003ctd\u003e\u003cstrong\u003eLimit Switches\u003c\/strong\u003e\u003c\/td\u003e\n          \u003ctd\u003eInternal, adjustable mechanical cams (Open \u0026amp; Closed limits)\u003c\/td\u003e\n        \u003c\/tr\u003e\n        \u003ctr\u003e\n          \u003ctd\u003e\u003cstrong\u003eManual Override\u003c\/strong\u003e\u003c\/td\u003e\n          \u003ctd\u003ePush-button gear release or handwheel (depends on exact sub-variant)\u003c\/td\u003e\n        \u003c\/tr\u003e\n        \u003ctr\u003e\n          \u003ctd\u003e\u003cstrong\u003eCondition\u003c\/strong\u003e\u003c\/td\u003e\n          \u003ctd\u003eNew, 1 Piece\u003c\/td\u003e\n        \u003c\/tr\u003e\n      \u003c\/tbody\u003e\n    \u003c\/table\u003e\n  \u003c\/div\u003e\n\n  \u003c!-- 4. Application Matrix --\u003e\n  \u003ch2 class=\"koeed-heading\"\u003eIndustrial Application Matrix\u003c\/h2\u003e\n  \u003cp\u003eThe rapid 5-second stroke time of this specific Hengda SM-10R model makes it an essential component for critical flow management:\u003c\/p\u003e\n  \u003cul class=\"koeed-brief-list\"\u003e\n    \u003cli\u003e\n\u003cstrong\u003eDust Collection Systems:\u003c\/strong\u003e Operating blast gates on CNC woodworking or metalworking machinery to rapidly shift vacuum suction to active tool stations.\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eEmergency HVAC Ventilation:\u003c\/strong\u003e Rapidly closing make-up air dampers in the event of a fire alarm or hazardous gas detection.\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eProcess Fluid Automation:\u003c\/strong\u003e Driving 2-way or 3-way ball valves where process tanks require immediate diversion or filling shut-off.\u003c\/li\u003e\n  \u003c\/ul\u003e\n\n  \u003c!-- 5. Troubleshooting \u0026 FAQ --\u003e\n  \u003ch2 class=\"koeed-heading\"\u003eInstallation \u0026amp; Troubleshooting FAQ\u003c\/h2\u003e\n  \n  \u003cdiv class=\"koeed-faq-item\"\u003e\n    \u003cdiv class=\"koeed-faq-question\"\u003e1. The actuator motor hums continuously but the shaft does not rotate. Why?\u003c\/div\u003e\n    \u003cdiv class=\"koeed-faq-answer\"\u003eThis usually indicates a mechanical jam. If the attached valve or damper is stuck (e.g., rusted or blocked by debris), the motor will attempt to drive it but stall. Additionally, if the internal limit switches have failed or are adjusted incorrectly, the motor will continuously try to push past its mechanical end-stop, which will eventually burn out the AC motor.\u003c\/div\u003e\n  \u003c\/div\u003e\n  \n  \u003cdiv class=\"koeed-faq-item\"\u003e\n    \u003cdiv class=\"koeed-faq-question\"\u003e2. How do I adjust the stopping angle (limit switches) of the actuator?\u003c\/div\u003e\n    \u003cdiv class=\"koeed-faq-answer\"\u003eRemove the top cover of the actuator (with power completely isolated). You will find the main drive shaft with adjustable plastic or metal cams. These cams press against micro-switches to cut power to the motor at the end of the stroke. By loosening the set screws and slightly rotating the cams, you can fine-tune exactly where the actuator stops at both the fully open and fully closed positions.\u003c\/div\u003e\n  \u003c\/div\u003e\n\n  \u003cdiv class=\"koeed-faq-item\"\u003e\n    \u003cdiv class=\"koeed-faq-question\"\u003e3. Can I use a 24V DC thermostat or PLC to control this 220V AC actuator?\u003c\/div\u003e\n    \u003cdiv class=\"koeed-faq-answer\"\u003eNot directly. Because the SM-10R is a 220V AC device, a 24V DC signal from a standard PLC or thermostat will not drive it. You must install interposing relays (pilot relays). The 24V DC signal triggers the relay coil, and the relay's dry contacts switch the 220V AC power to the actuator's Open\/Close terminals.\u003c\/div\u003e\n  \u003c\/div\u003e\n\n  \u003c!-- 6. Cross-Reference \u0026 Selection --\u003e\n  \u003ch3 class=\"koeed-subheading\"\u003eCross-Reference \u0026amp; Selection Guide\u003c\/h3\u003e\n  \u003cp\u003eIf you are re-engineering a control panel or looking for direct replacements, the Hengda SM-10R (5S, 220V) shares operational footprint and mechanical linkages with standard rotary damper actuators. When selecting alternatives, matching the \u003cstrong\u003e5-second fast stroke\u003c\/strong\u003e is critical to maintaining system design parameters:\u003c\/p\u003e\n  \u003cul class=\"koeed-brief-list\"\u003e\n    \u003cli\u003e\n\u003cstrong\u003eBelimo Alternatives:\u003c\/strong\u003e Look for the \u003cstrong\u003eLMQ or SMQ\u003c\/strong\u003e series (Fast-running actuators, 2.5s to 7s), ensuring you select the 230V AC variant (e.g., SMQ230A).\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eSiemens Alternatives:\u003c\/strong\u003e GCA or GQD series fast-acting damper actuators (Verify voltage compatibility).\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eNote on Modulating Upgrades:\u003c\/strong\u003e If upgrading from this ON\/OFF actuator to a modulating type (e.g., 0-10V or 4-20mA), the entire control panel wiring and PLC output cards must be redesigned.\u003c\/li\u003e\n  \u003c\/ul\u003e\n\n\u003c\/div\u003e\n\n\u003c!-- GEO Structured Data (JSON-LD) --\u003e\n\u003cscript type=\"application\/ld+json\"\u003e\n{\n  \"@context\": \"https:\/\/schema.org\",\n  \"@type\": \"FAQPage\",\n  \"mainEntity\": [\n    {\n      \"@type\": \"Question\",\n      \"name\": \"The Hengda actuator motor hums continuously but the shaft does not rotate. Why?\",\n      \"acceptedAnswer\": {\n        \"@type\": \"Answer\",\n        \"text\": \"This usually indicates a mechanical jam. If the attached valve or damper is stuck, the motor will attempt to drive it but stall. Additionally, if the internal limit switches are adjusted incorrectly, the motor will continuously try to push past its mechanical end-stop, eventually burning out the AC motor.\"\n      }\n    },\n    {\n      \"@type\": \"Question\",\n      \"name\": \"How do I adjust the limit switch stopping angle on an SM-10R actuator?\",\n      \"acceptedAnswer\": {\n        \"@type\": \"Answer\",\n        \"text\": \"Remove the top cover with power completely isolated. You will find the main drive shaft with adjustable cams. These cams press against micro-switches to cut power at the end of the stroke. By loosening the set screws and rotating the cams, you can fine-tune where the actuator stops.\"\n      }\n    },\n    {\n      \"@type\": \"Question\",\n      \"name\": \"Can I use a 24V DC PLC to control a 220V AC Hengda actuator?\",\n      \"acceptedAnswer\": {\n        \"@type\": \"Answer\",\n        \"text\": \"Not directly. You must install interposing relays. The 24V DC signal triggers the relay coil, and the relay's dry contacts switch the 220V AC mains power to the actuator's Open or Close terminals.\"\n      }\n    }\n  ]\n}\n\u003c\/script\u003e","brand":"HENGDA","offers":[{"title":"Default Title","offer_id":43817749381305,"sku":"284999024218","price":269.65,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0268\/8476\/7929\/files\/Hengda_SM_10R_Electric_Actuator_5S_AC220V___1PC___HENGDA__1.webp?v=1775511143","url":"https:\/\/koeed.com\/ar\/products\/1pcs-new-for-hengda-electric-actuator-sm-10r-5s-ac220v","provider":"KOEED","version":"1.0","type":"link"}